/*
 * Copyright (c) 2024 -present FengJinjian ( 751965763@qq.com )

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package edu.vital.energy.longevity.ch09.config.listener;

import com.zaxxer.hikari.HikariDataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;

import javax.sql.DataSource;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * GracefulShutdownListener
 *
 * @version 1.0.1
 * @auther FengJinJian
 * @date 2025/4/29 10:13
 */
@Component
public class GracefulShutdownListener implements ApplicationListener<ContextClosedEvent> {

    private final ThreadPoolTaskExecutor taskExecutor;
    private final DataSource dataSource;

    @Autowired
    public GracefulShutdownListener(ThreadPoolTaskExecutor taskExecutor,
                                    DataSource dataSource) {
        this.taskExecutor = taskExecutor;
        this.dataSource = dataSource;
    }

    @Override
    public void onApplicationEvent(ContextClosedEvent event) {
        // 1. 关闭线程池

        // 2. 关闭数据库连接池


        // 3. 其他清理工作...
    }

    private void shutdownExecutor(ExecutorService executor) {
        executor.shutdown();
        try {
            if(!executor.awaitTermination(30, TimeUnit.SECONDS)) {
                executor.shutdownNow();
            }
        } catch (InterruptedException e) {
            executor.shutdownNow();
            Thread.currentThread().interrupt();
        }
    }
}
